Base | Representation |
---|---|
bin | 10111000110010100… |
… | …01110101111000101 |
3 | 1012000020202022212112 |
4 | 23203022032233011 |
5 | 200344131410141 |
6 | 5410313230405 |
7 | 616211065313 |
oct | 134312165705 |
9 | 35006668775 |
10 | 12401044421 |
11 | 5294080247 |
12 | 24a1102405 |
13 | 122828060c |
14 | 858db50b3 |
15 | 4c8a8d7eb |
hex | 2e328ebc5 |
12401044421 has 8 divisors (see below), whose sum is σ = 12839762688. Its totient is φ = 11964744000.
The previous prime is 12401044373. The next prime is 12401044477. The reversal of 12401044421 is 12444010421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12401044421 - 214 = 12401028037 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12401094421) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594020 + ... + 614541.
It is an arithmetic number, because the mean of its divisors is an integer number (1604970336).
Almost surely, 212401044421 is an apocalyptic number.
It is an amenable number.
12401044421 is a deficient number, since it is larger than the sum of its proper divisors (438718267).
12401044421 is a wasteful number, since it uses less digits than its factorization.
12401044421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1208923.
The product of its (nonzero) digits is 1024, while the sum is 23.
Adding to 12401044421 its reverse (12444010421), we get a palindrome (24845054842).
The spelling of 12401044421 in words is "twelve billion, four hundred one million, forty-four thousand, four hundred twenty-one".
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